Gear shift knob



FIG. 1 is a top perspective view of a gear shift knob, showing our new design;

FIG. 2 is a front elevational view thereof, the rear elevational view, right-side elevational view, and left-side elevational view all being identical thereto;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a bottom perspective view thereof. 

CLAIM We claim the ornamental design for a gear shift knob, as shown and described. 